Rename aom_read_tree_cdf() to aom_read_symbol().

Change-Id: Ifc065eb3eee0960be2e085e7e18478bf91bf56dd
diff --git a/aom_dsp/bitreader.h b/aom_dsp/bitreader.h
index 70341f8..a021fe6 100644
--- a/aom_dsp/bitreader.h
+++ b/aom_dsp/bitreader.h
@@ -131,8 +131,8 @@
 #endif
 }
 
-static INLINE int aom_read_tree_cdf(aom_reader *r, const uint16_t *cdf,
-                                    int nsymbs) {
+static INLINE int aom_read_symbol(aom_reader *r, const uint16_t *cdf,
+                                  int nsymbs) {
 #if CONFIG_RANS
   (void)nsymbs;
   return rans_read(r, cdf);
diff --git a/av1/decoder/decodeframe.c b/av1/decoder/decodeframe.c
index b3a7ea4..ebe8fc4 100644
--- a/av1/decoder/decodeframe.c
+++ b/av1/decoder/decodeframe.c
@@ -599,8 +599,8 @@
 
   if (has_rows && has_cols)
 #if CONFIG_DAALA_EC
-    p = (PARTITION_TYPE)aom_read_tree_cdf(r, cm->fc->partition_cdf[ctx],
-                                          PARTITION_TYPES);
+    p = (PARTITION_TYPE)aom_read_symbol(r, cm->fc->partition_cdf[ctx],
+                                        PARTITION_TYPES);
 #else
     p = (PARTITION_TYPE)aom_read_tree(r, av1_partition_tree, probs);
 #endif
diff --git a/av1/decoder/decodemv.c b/av1/decoder/decodemv.c
index b4c5a62..8bd19c2 100644
--- a/av1/decoder/decodemv.c
+++ b/av1/decoder/decodemv.c
@@ -596,7 +596,7 @@
       const int ctx = av1_get_pred_context_switchable_interp(xd);
 #if CONFIG_DAALA_EC
       const InterpFilter type =
-          (InterpFilter)av1_switchable_interp_inv[aom_read_tree_cdf(
+          (InterpFilter)av1_switchable_interp_inv[aom_read_symbol(
               r, cm->fc->switchable_interp_cdf[ctx], SWITCHABLE_FILTERS)];
 #else
       const InterpFilter type = (InterpFilter)aom_read_tree(
@@ -972,7 +972,7 @@
     FRAME_COUNTS *counts = xd->counts;
     if (inter_block) {
 #if CONFIG_DAALA_EC
-      mbmi->tx_type = av1_ext_tx_inv[aom_read_tree_cdf(
+      mbmi->tx_type = av1_ext_tx_inv[aom_read_symbol(
           r, cm->fc->inter_ext_tx_cdf[mbmi->tx_size], TX_TYPES)];
 #else
       mbmi->tx_type = aom_read_tree(r, av1_ext_tx_tree,
@@ -982,7 +982,7 @@
     } else {
       const TX_TYPE tx_type_nom = intra_mode_to_tx_type_context[mbmi->mode];
 #if CONFIG_DAALA_EC
-      mbmi->tx_type = av1_ext_tx_inv[aom_read_tree_cdf(
+      mbmi->tx_type = av1_ext_tx_inv[aom_read_symbol(
           r, cm->fc->intra_ext_tx_cdf[mbmi->tx_size][tx_type_nom], TX_TYPES)];
 #else
       mbmi->tx_type =
diff --git a/av1/decoder/detokenize.c b/av1/decoder/detokenize.c
index 72752d9..c81c1e5 100644
--- a/av1/decoder/detokenize.c
+++ b/av1/decoder/detokenize.c
@@ -149,7 +149,7 @@
 #if CONFIG_RANS
     cdf = &coef_cdfs[band][ctx];
     token =
-        ONE_TOKEN + aom_read_tree_cdf(r, *cdf, CATEGORY6_TOKEN - ONE_TOKEN + 1);
+        ONE_TOKEN + aom_read_symbol(r, *cdf, CATEGORY6_TOKEN - ONE_TOKEN + 1);
     INCREMENT_COUNT(ONE_TOKEN + (token > ONE_TOKEN));
     switch (token) {
       case ONE_TOKEN: